/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package pl.edu.agh.sius.monitor.se;

import javax.jbi.management.DeploymentException;
import javax.jbi.messaging.MessageExchange;
import javax.jbi.messaging.NormalizedMessage;

import net.esper.client.EPStatement;
import net.esper.client.UpdateListener;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.servicemix.common.endpoints.ProviderEndpoint;


/**
 * @org.apache.xbean.XBean element="esperEndpoint"
 */
public class EventPopperEndpoint extends ProviderEndpoint implements EventEndpointType{
	

	private static final Log log = LogFactory.getLog(EventPopperEndpoint.class);
	
    public void validate() throws DeploymentException {
    }
    
    protected void processInOnly(MessageExchange exchange, NormalizedMessage in)
			throws Exception {
    	UpdateListener listener =(UpdateListener) in.getProperty("listener");
    	String query = (String) in.getProperty("query");
    	EPStatement statement = EventEngine.EsperEngine.getEPAdministrator().createEQL(query);
    	
    	System.out.println("Adding new listener: " + listener.getClass().getName() + " for query: " + query);   	
    	statement.addListener(listener);
    	System.out.println("Listener added.");
    }
 
}
